1# 2# Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are met: 6# 7# Redistributions of source code must retain the above copyright notice, this 8# list of conditions and the following disclaimer. 9# 10# Redistributions in binary form must reproduce the above copyright notice, 11# this list of conditions and the following disclaimer in the documentation 12# and/or other materials provided with the distribution. 13# 14# Neither the name of ARM nor the names of its contributors may be used 15# to endorse or promote products derived from this software without specific 16# prior written permission. 17# 18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28# POSSIBILITY OF SUCH DAMAGE. 29# 30 31# Decrease the verbosity of the make script 32# can be made verbose by passing V=1 at the make command line 33ifdef V 34 KBUILD_VERBOSE = ${V} 35else 36 KBUILD_VERBOSE = 0 37endif 38 39ifeq "${KBUILD_VERBOSE}" "0" 40 Q=@ 41else 42 Q= 43endif 44 45DEBUG ?= 0 46 47ifneq (${DEBUG}, 0) 48 BUILD_TYPE := debug 49else 50 BUILD_TYPE := release 51endif 52 53BL_COMMON_OBJS := misc_helpers.o \ 54 cache_helpers.o \ 55 tlb_helpers.o \ 56 std.o \ 57 bl_common.o \ 58 platform_helpers.o 59 60ARCH ?= aarch64 61 62# By default, build all platforms available 63PLAT ?= all 64 65BUILD_BASE := ./build 66BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 67BUILD_BL1 := ${BUILD_PLAT}/bl1 68BUILD_BL2 := ${BUILD_PLAT}/bl2 69BUILD_BL31 := ${BUILD_PLAT}/bl31 70BUILD_DIRS := ${BUILD_BL1} ${BUILD_BL2} ${BUILD_BL31} 71 72PLATFORMS := $(shell ls -I common plat/) 73ifeq (${PLAT},) 74 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 75endif 76ifeq ($(findstring ${PLAT},${PLATFORMS} all),) 77 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 78endif 79 80ifeq (${PLAT},all) 81all: ${PLATFORMS} 82else 83all: msg_start bl1 bl2 bl31 84endif 85 86msg_start: 87 @echo "Building ${PLAT}" 88 89${PLATFORMS}: 90 ${MAKE} PLAT=$@ all 91 92ifneq (${PLAT},all) 93 $(info Including ${PLAT}/platform.mk) 94 include plat/${PLAT}/platform.mk 95 $(info Including bl1.mk) 96 include bl1/bl1.mk 97 $(info Including bl2.mk) 98 include bl2/bl2.mk 99 $(info Including bl31.mk) 100 include bl31/bl31.mk 101endif 102 103.PHONY: all msg_start ${PLATFORMS} dump clean realclean distclean bl1 bl2 bl31 104.SUFFIXES: 105 106 107BL1_OBJS := $(addprefix ${BUILD_BL1}/,${BL1_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 108BL2_OBJS := $(addprefix ${BUILD_BL2}/,${BL2_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 109BL31_OBJS := $(addprefix ${BUILD_BL31}/,${BL31_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 110BL1_MAPFILE := $(addprefix ${BUILD_BL1}/,${BL1_MAPFILE}) 111BL2_MAPFILE := $(addprefix ${BUILD_BL2}/,${BL2_MAPFILE}) 112BL31_MAPFILE := $(addprefix ${BUILD_BL31}/,${BL31_MAPFILE}) 113BL1_LINKERFILE := $(addprefix ${BUILD_BL1}/,${BL1_LINKERFILE}) 114BL2_LINKERFILE := $(addprefix ${BUILD_BL2}/,${BL2_LINKERFILE}) 115BL31_LINKERFILE := $(addprefix ${BUILD_BL31}/,${BL31_LINKERFILE}) 116 117INCLUDES += -Ilib/include/ \ 118 -Iinclude/${ARCH}/ \ 119 -Iinclude/ \ 120 -Iarch/system/gic \ 121 -Icommon/psci \ 122 -Iinclude/stdlib \ 123 -Iinclude/stdlib/sys \ 124 -Iplat/${PLAT} \ 125 ${PLAT_INCLUDES} 126 127ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 128 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} 129CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 130 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 131 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 132 133LDFLAGS += --fatal-warnings -O1 134BL1_LDFLAGS := -Map=${BL1_MAPFILE} --script ${BL1_LINKERFILE} --entry=${BL1_ENTRY_POINT} 135BL2_LDFLAGS := -Map=${BL2_MAPFILE} --script ${BL2_LINKERFILE} --entry=${BL2_ENTRY_POINT} 136BL31_LDFLAGS := -Map=${BL31_MAPFILE} --script ${BL31_LINKERFILE} --entry=${BL31_ENTRY_POINT} 137 138 139vpath %.ld.S bl1:bl2:bl31 140vpath %.c bl1:bl2:bl31 141vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 142vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 143 144 145ifneq (${DEBUG}, 0) 146#CFLAGS += -g -O0 147CFLAGS += -g 148# -save-temps -fverbose-asm 149ASFLAGS += -g -Wa,--gdwarf-2 150endif 151 152 153CC := ${CROSS_COMPILE}gcc 154CPP := ${CROSS_COMPILE}cpp 155AS := ${CROSS_COMPILE}gcc 156AR := ${CROSS_COMPILE}ar 157LD := ${CROSS_COMPILE}ld 158OC := ${CROSS_COMPILE}objcopy 159OD := ${CROSS_COMPILE}objdump 160NM := ${CROSS_COMPILE}nm 161PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 162 163 164bl1: ${BUILD_BL1} ${BUILD_PLAT}/bl1.bin 165bl2: ${BUILD_BL2} ${BUILD_PLAT}/bl2.bin 166bl31: ${BUILD_BL31} ${BUILD_PLAT}/bl31.bin 167 168ifeq (${PLAT},all) 169 ifeq (${MAKECMDGOALS},clean) 170 $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds") 171 endif 172endif 173clean: 174 @echo " CLEAN" 175 ${Q}rm -rf ${BUILD_PLAT} 176 177realclean distclean: 178 @echo " REALCLEAN" 179 ${Q}rm -rf ${BUILD_BASE} 180 181dump: 182 @echo " OBJDUMP" 183 ${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump 184 ${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump 185 ${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump 186 187${BUILD_DIRS}: 188 ${Q}mkdir -p "$@" 189 190 191${BUILD_BL1}/%.o: %.S 192 @echo " AS $<" 193 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 194 195${BUILD_BL2}/%.o: %.S 196 @echo " AS $<" 197 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 198 199${BUILD_BL31}/%.o: %.S 200 @echo " AS $<" 201 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 202 203${BUILD_BL1}/%.o: %.c 204 @echo " CC $<" 205 ${Q}${CC} ${CFLAGS} -c $< -o $@ 206 207${BUILD_BL2}/%.o: %.c 208 @echo " CC $<" 209 ${Q}${CC} ${CFLAGS} -c $< -o $@ 210 211${BUILD_BL31}/%.o: %.c 212 @echo " CC $<" 213 ${Q}${CC} ${CFLAGS} -c $< -o $@ 214 215${BUILD_BL1}/%.ld: %.ld.S 216 @echo " PP $<" 217 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 218 219${BUILD_BL2}/%.ld: %.ld.S 220 @echo " PP $<" 221 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 222 223${BUILD_BL31}/%.ld: %.ld.S 224 @echo " PP $<" 225 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 226 227 228${BUILD_BL1}/bl1.elf: ${BL1_OBJS} ${BL1_LINKERFILE} 229 @echo " LD $@" 230 ${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS} 231 232${BUILD_BL2}/bl2.elf: ${BL2_OBJS} ${BL2_LINKERFILE} 233 @echo " LD $@" 234 ${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS} 235 236${BUILD_BL31}/bl31.elf: ${BL31_OBJS} ${BL31_LINKERFILE} 237 @echo " LD $@" 238 ${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS} 239 240${BUILD_PLAT}/bl1.bin: ${BUILD_BL1}/bl1.elf 241 @echo " BIN $@" 242 ${Q}${OC} -O binary $< $@ 243 @echo 244 @echo "Built $@ successfully" 245 @echo 246 247${BUILD_PLAT}/bl2.bin: ${BUILD_BL2}/bl2.elf 248 @echo " BIN $@" 249 ${Q}${OC} -O binary $< $@ 250 @echo 251 @echo "Built $@ successfully" 252 @echo 253 254${BUILD_PLAT}/bl31.bin: ${BUILD_BL31}/bl31.elf 255 @echo " BIN $@" 256 ${Q}${OC} -O binary $< $@ 257 @echo 258 @echo "Built $@ successfully" 259 @echo 260